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8843 (1990 OH)
Classification: Main-belt Asteroid          SPK-ID: 2008843
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3027017995476047 7.5213e-08  
a 2.6569383983354 1.7062e-08 AU
q 1.852678363872144 1.9379e-07 AU
i 13.25949776467716 8.2867e-06 deg
node 216.9616266474162 2.4446e-05 deg
peri 132.7196772787266 2.7887e-05 deg
M 203.6369725280389 1.2954e-05 deg
tp 2457687.571959499472
(2016-Oct-26.07195950)
6.1044e-05 JED
period 1581.869508533043
4.33
1.5237e-05
4.172e-08
d
yr
n .227578822436402 2.1921e-09 deg/d
Q 3.461198432798656 2.2226e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      657  
   data-arc span      8677 days (23.76 yr)  
   first obs. used      1990-07-22  
   last obs. used      2014-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59811  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:40:50  

Additional Information
 Earth MOID = .876107 AU 
 T_jup = 3.284 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a PDS3 (MPC 31909)  

8843 (1990 OH)          Discovered 1990-Jul-22 by Helin, E. F. at Palomar (675)
Reference: 19980610/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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